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Hazardous Weather Conditions

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

51°F

11°C

Humidity 72%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 22 Jan 10:00 PM PST
Extended Forecast for

13 Miles NE Mount Hamilton CA

Dense Fog Advisory until January 23, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 23, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Tonight

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. West northwest wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. North northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind around 7 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 3 to 5 mph.
Friday
Sunny, with a high near 57. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 34. West northwest wind around 6 mph.
Saturday
Sunny, with a high near 53. North northwest wind around 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 31. West wind around 7 mph.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Partly sunny, with a high near 54.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Mount Hamilton CA
 37.49°N 121.48°W (Elev. 2799 ft)
Last Update:
1:21 pm PST Jan 22, 2026
Forecast Valid:
10pm PST Jan 22, 2026-6pm PST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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